Recently Geoffrey Hinton, Yann Lecun and Yoshua Bengio had reddit AMA’s where subscribers of r/MachineLearning asked questions to them. Each AMA contains interesting anectodes about deep learning by the most prominent scientists of the field.
Yoshua Bengio’s reddit AMA: http://www.reddit.com/r/MachineLearning/comments/1ysry1/ama_yoshua_bengio
Yann Lecun’s reddit AMA: http://www.reddit.com/r/MachineLearning/comments/25lnbt/ama_yann_lecun
Geoffrey Hinton’s AMA: http://www.reddit.com/r/MachineLearning/comments/2lmo0l/ama_geoffrey_hinton
In addition to those, Michael I Jordan, an influential scientist in Machine Learning field, had a reddit AMA as well, where upon the questions, he had some remarks about deep learning.
Michael I Jordan’s AMA: http://www.reddit.com/r/MachineLearning/comments/2fxi6v/ama_michael_i_jordan/